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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: HF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-437.709027
Energy at 298.15K-437.712990
HF Energy-437.709027
Nuclear repulsion energy56.475621
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3308 2986 12.09 71.32 0.75 0.86
2 A' 3216 2903 34.48 113.49 0.01 0.02
3 A' 2887 2606 15.57 151.98 0.39 0.56
4 A' 1618 1460 7.44 16.67 0.75 0.86
5 A' 1504 1357 12.16 0.95 0.62 0.76
6 A' 1211 1093 22.32 16.11 0.69 0.82
7 A' 868 784 2.12 7.35 0.64 0.78
8 A' 773 698 4.24 24.86 0.30 0.46
9 A" 3308 2986 15.09 75.81 0.75 0.86
10 A" 1605 1449 5.03 18.31 0.75 0.86
11 A" 1071 967 3.98 6.04 0.75 0.86
12 A" 262 237 18.65 4.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10815.2 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9761.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/6-31G**
ABC
3.50710 0.43130 0.41392

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.153 0.000
S2 -0.048 -0.664 0.000
H3 1.267 -0.848 0.000
H4 -1.084 1.462 0.000
H5 0.432 1.545 0.886
H6 0.432 1.545 -0.886

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81742.39451.08161.08101.0810
S21.81741.32772.36512.42792.4279
H32.39451.32773.29622.68482.6848
H41.08162.36513.29621.75831.7583
H51.08102.42792.68481.75831.7721
H61.08102.42792.68481.75831.7721

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.959 S2 C1 H4 106.568
S2 C1 H5 111.240 S2 C1 H6 111.240
H4 C1 H5 108.787 H4 C1 H6 108.787
H5 C1 H6 110.098
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.487      
2 S -0.018      
3 H 0.048      
4 H 0.155      
5 H 0.151      
6 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.919 1.527 0.000 1.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.368 -1.494 0.000
y -1.494 -20.489 0.000
z 0.000 0.000 -22.734
Traceless
 xyz
x 2.244 -1.494 0.000
y -1.494 0.562 0.000
z 0.000 0.000 -2.805
Polar
3z2-r2-5.611
x2-y21.121
xy-1.494
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.787 -0.285 0.000
y -0.285 4.727 0.000
z 0.000 0.000 3.089


<r2> (average value of r2) Å2
<r2> 40.472
(<r2>)1/2 6.362